Home / 28,041,107.80-41,968,349.70-20,342,867.80

Finding the Fourth Proportional to 28,041,107.80, 41,968,349.70 and 20,342,867.80

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Solution

The fourth proportional to 28,041,107.80, 41,968,349.70 and 20,342,867.80 is: 30,446,607.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041,107.80 : 41,968,349.70 = 20,342,867.80 : x
  2. Step 2: Convert to fraction form
    28,041,107.80/41,968,349.70 = 20,342,867.80/x
  3. Step 3: Cross multiply
    28,041,107.80x = 41,968,349.70 × 20,342,867.80
  4. Step 4: Simplify right side
    28,041,107.80x = 853,756,589,731,269.75
  5. Step 5: Solve for x
    x = 853,756,589,731,269.75/28,041,107.80
  6. Step 6: Final answer
    x = 30,446,607.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.